CVE-2009-4773 in Ubercart
Summary
by MITRE
Cross-site request forgery (CSRF) vulnerability in the order-management functionality in the Ubercart module 5.x before 5.x-1.9 and 6.x before 6.x-2.1 for Drupal allows remote attackers to hijack the authentication of unspecified victims via unknown vectors.
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Analysis
by VulDB Data Team • 01/29/2019
The CVE-2009-4773 vulnerability represents a critical cross-site request forgery flaw within the Ubercart e-commerce module for Drupal platforms. This vulnerability specifically targets the order management functionality and affects versions 5.x prior to 5.x-1.9 and 6.x prior to 6.x-2.1, creating a significant security risk for Drupal-based online stores. The flaw allows remote attackers to manipulate authenticated sessions by tricking users into executing unintended actions through malicious web pages, potentially leading to unauthorized transactions and financial losses. The vulnerability falls under the CWE-352 category of Cross-Site Request Forgery, which is classified as a fundamental web application security weakness that has been consistently documented in the OWASP Top Ten project since its early iterations.
The technical implementation of this CSRF vulnerability stems from the absence of proper validation mechanisms within the order management system of Ubercart. When users navigate to malicious sites or click on compromised links, the vulnerable application fails to verify the origin of requests, allowing attackers to submit orders or modify existing orders without the user's knowledge or explicit consent. The attack vector operates through the exploitation of the user's authenticated session, leveraging the trust relationship between the web application and the user's browser. This particular flaw demonstrates a failure in implementing anti-CSRF tokens or similar protective measures that would normally validate the legitimacy of requests originating from the intended source rather than from external malicious actors. The vulnerability's impact is amplified by the fact that it affects core e-commerce functionality, making it particularly dangerous for online businesses that process sensitive financial transactions.
The operational consequences of this vulnerability extend beyond simple data manipulation to encompass significant financial and reputational risks for affected organizations. Attackers could potentially place unauthorized orders, modify existing orders, or even cancel transactions, leading to direct monetary losses and customer confusion. The unspecified nature of the victim authentication vectors suggests that the vulnerability could be exploited across various user roles within the system, potentially affecting administrators, customers, and other authenticated users. This type of vulnerability directly aligns with ATT&CK technique T1566.001, which describes the use of malicious web content to perform unauthorized actions, and represents a classic example of how web application flaws can be leveraged to compromise user sessions and system integrity. Organizations running vulnerable versions of Ubercart would face potential regulatory compliance issues, particularly in industries subject to PCI-DSS requirements for handling payment information, where such vulnerabilities could constitute significant security gaps.
Mitigation strategies for CVE-2009-4773 require immediate action to upgrade affected systems to patched versions of the Ubercart module, specifically versions 5.x-1.9 and 6.x-2.1 or later. System administrators should implement comprehensive security monitoring to detect suspicious order activities and establish proper input validation and request origin verification mechanisms. The vulnerability underscores the importance of maintaining current security patches and following secure coding practices that include implementing anti-CSRF tokens for all state-changing operations within web applications. Organizations should also consider implementing additional security controls such as multi-factor authentication for administrative functions and regular security audits of third-party modules. The remediation process should include thorough testing of patched versions to ensure that the upgrade does not introduce compatibility issues with existing business processes while maintaining the integrity of the order management system. This vulnerability serves as a reminder of the critical importance of keeping content management systems and their modules up to date, as outdated components often contain known security flaws that can be easily exploited by threat actors.